People think focus means saying yes to the thing you've got to focus on. But that's not what it means at all. It means saying no to the hundred other good ideas that there are. You have to pick carefully.
人们认为专注就是指对所要专注的事情说“是”。但事实并非如此。它意味着对其他上百个好主意说 "不"。 你必须精挑细选。
Steve Jobs